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Netty: WebSockets V07/V08 handshaker missing Connection/Upgrade validation

🗓️ 22 Jul 2026 21:48:59Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 12 Views

WebSocket handshaker v7/v8 lacks Connection and Upgrade validation, enabling spoofed upgrades.

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Vulners
Node
OR
io.nettynetty-codec-httpRange<4.1.136.Finalmaven
io.nettynetty-codec-httpRange4.2.0.Final4.2.15.Finalmaven

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22 Jul 2026 21:49Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.5
CVSS 46.3
EPSS0.00249
SSVC
12